Nate Begeman [Tue, 27 Jul 2010 18:02:18 +0000 (18:02 +0000)]
Fix a crash in the dag combiner caused by ConstantFoldBIT_CONVERTofBUILD_VECTOR calling itself
recursively and returning a SCALAR_TO_VECTOR node, but assuming the input was always a BUILD_VECTOR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109519
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Jim Grosbach [Tue, 27 Jul 2010 17:38:47 +0000 (17:38 +0000)]
80 column
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109513
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Jim Grosbach [Tue, 27 Jul 2010 17:14:29 +0000 (17:14 +0000)]
fix typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109511
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Gabor Greif [Tue, 27 Jul 2010 16:44:23 +0000 (16:44 +0000)]
recommit simplification (r109502, backed out r109509); seems to innocent
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109510
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Gabor Greif [Tue, 27 Jul 2010 15:56:07 +0000 (15:56 +0000)]
back out this too to restore the bots
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109509
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Gabor Greif [Tue, 27 Jul 2010 15:18:11 +0000 (15:18 +0000)]
back out r109504, breaks the bots
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109508
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Gabor Greif [Tue, 27 Jul 2010 15:02:37 +0000 (15:02 +0000)]
simplify: CallSite::get --> CallSite constructor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109506
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Gabor Greif [Tue, 27 Jul 2010 14:38:38 +0000 (14:38 +0000)]
simplify
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109504
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Gabor Greif [Tue, 27 Jul 2010 14:15:29 +0000 (14:15 +0000)]
use ImmutableCallSite for const-corrgoodness
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109503
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Gabor Greif [Tue, 27 Jul 2010 13:31:22 +0000 (13:31 +0000)]
simplify
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109502
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Mikhail Glushenkov [Tue, 27 Jul 2010 11:19:40 +0000 (11:19 +0000)]
Fix silent failure with no input files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109500
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Mikhail Glushenkov [Tue, 27 Jul 2010 11:19:36 +0000 (11:19 +0000)]
Return -1 only on failure to execute a program.
Also fix some comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109499
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Duncan Sands [Tue, 27 Jul 2010 09:09:05 +0000 (09:09 +0000)]
In commit 91421, isPod was changed from false to true for these value handles.
Change it back again: destructors and constructors need to be run.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109498
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Tobias Grosser [Tue, 27 Jul 2010 09:01:26 +0000 (09:01 +0000)]
Make coff-dump.py executable and add python as executable for this script.
This fixes the MC/COFF/basic-coff.ll test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109497
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Tobias Grosser [Tue, 27 Jul 2010 08:39:43 +0000 (08:39 +0000)]
RegionInfo: Add getMaxRegionExit()
getMaxRegionExit returns the exit of the maximal refined region starting
at a specific basic block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109496
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Duncan Sands [Tue, 27 Jul 2010 06:53:14 +0000 (06:53 +0000)]
After updating value handles for RAUW, check that no weak or tracking handles
are still on the list. This might happen if a CallbackVH created some new value
handles for the old value when doing RAUW. Barf if it occurs, since it is almost
certainly a mistake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109495
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Michael J. Spencer [Tue, 27 Jul 2010 06:46:15 +0000 (06:46 +0000)]
Make MC use Windows COFF on Windows and add tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109494
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Tobias Grosser [Tue, 27 Jul 2010 04:17:13 +0000 (04:17 +0000)]
Add function to query RegionInfo about loops.
* contains(Loop), * getOutermostLoop()
* Improve getNameStr() to return a sensible name, if basic blocks are not named.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109490
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Jakob Stoklund Olesen [Tue, 27 Jul 2010 04:17:01 +0000 (04:17 +0000)]
The isLoadFromStackSlot and isStoreToStackSlot have no way of reporting
subregister operands like this:
%reg1040:sub_32bit<def> = MOV32rm <fi#-2>, 1, %reg0, 0, %reg0, %reg1040<imp-def>; mem:LD4[FixedStack-2](align=8)
Make them return false when subreg operands are present. VirtRegRewriter is
making bad assumptions otherwise.
This fixes PR7713.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109489
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Jakob Stoklund Olesen [Tue, 27 Jul 2010 04:16:58 +0000 (04:16 +0000)]
Add assertions that expose the PR7713 miscompilation: Accessing a stack slot
with a too-big register class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109488
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Bill Wendling [Tue, 27 Jul 2010 01:55:19 +0000 (01:55 +0000)]
It's better to have the arrays, which would trigger the creation of stack
protectors, to be near the stack protectors on the stack. Accomplish this by
tagging the stack object with a predicate that indicates that it would trigger
this. In the prolog-epilog inserter, assign these objects to the stack after the
stack protector but before the other objects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109481
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Dan Gohman [Tue, 27 Jul 2010 01:19:06 +0000 (01:19 +0000)]
Use AssertingVH for InsertedValues and InsertedPostIncValues, to verify
that the values they refer to aren't being deleted underneath them.
Make sure these containters get cleared by clear(), which IndVarSimplify
and LSR both use before deleting instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109478
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Owen Anderson [Tue, 27 Jul 2010 00:04:55 +0000 (00:04 +0000)]
(Hopefully) One last test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109473
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Owen Anderson [Tue, 27 Jul 2010 00:00:47 +0000 (00:00 +0000)]
Another test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109472
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Owen Anderson [Mon, 26 Jul 2010 23:58:46 +0000 (23:58 +0000)]
Another test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109471
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Jakob Stoklund Olesen [Mon, 26 Jul 2010 23:44:11 +0000 (23:44 +0000)]
Add SplitEditor to SplitKit. This class will be used to edit live intervals and
rewrite instructions for live range splitting.
Still work in progress.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109469
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Dan Gohman [Mon, 26 Jul 2010 23:40:24 +0000 (23:40 +0000)]
Fix a use-after-free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109468
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Bill Wendling [Mon, 26 Jul 2010 22:36:52 +0000 (22:36 +0000)]
Using llvm.eh.catch.all.value instead of .llvm.eh.catch.all.value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109462
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Eli Friedman [Mon, 26 Jul 2010 22:28:18 +0000 (22:28 +0000)]
And a bit more non-ASCII stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109458
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Anton Korobeynikov [Mon, 26 Jul 2010 22:23:07 +0000 (22:23 +0000)]
Drop some non-ascii stuff
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109456
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Bob Wilson [Mon, 26 Jul 2010 21:58:00 +0000 (21:58 +0000)]
Don't call __register_frame from the JIT on systems that use setjmp/longjmp
exception handling. Also fix an extra underscore typo in one instance of
"__ARM_EABI__". Radar
8236264.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109451
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Evan Cheng [Mon, 26 Jul 2010 21:50:05 +0000 (21:50 +0000)]
On x86, f32 / f64 nodes share the same registers as 128-bit vector values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109450
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Evan Cheng [Mon, 26 Jul 2010 21:49:07 +0000 (21:49 +0000)]
The "excess register pressure" returned by HighRegPressure() is not accurate enough to factor into scheduling priority. Eliminate it and add early exits to speed up scheduling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109449
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Anton Korobeynikov [Mon, 26 Jul 2010 21:48:35 +0000 (21:48 +0000)]
Add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109448
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Dan Gohman [Mon, 26 Jul 2010 21:05:37 +0000 (21:05 +0000)]
Add a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109435
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Bruno Cardoso Lopes [Mon, 26 Jul 2010 21:01:18 +0000 (21:01 +0000)]
Temporary hack to let codegen assert or generate poor code in case
we are using AVX and no AVX version of the desired intruction is present,
this is better for incremental dev (without fallbacks it's easier to spot
what's missing). Not sure this is the best hack thought (we can also disable
all HasSSE* predicates by dinamically marking them 'false' if AVX is present)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109434
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Owen Anderson [Mon, 26 Jul 2010 20:51:45 +0000 (20:51 +0000)]
Testing some more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109433
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Owen Anderson [Mon, 26 Jul 2010 20:19:04 +0000 (20:19 +0000)]
Test some more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109431
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Dan Gohman [Mon, 26 Jul 2010 20:15:47 +0000 (20:15 +0000)]
Fix library build messages.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109430
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Dan Gohman [Mon, 26 Jul 2010 20:11:39 +0000 (20:11 +0000)]
Add svn:ignore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109429
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Gabor Greif [Mon, 26 Jul 2010 18:48:07 +0000 (18:48 +0000)]
re-commit r109220, the compile error has already been fixed
Simplifying use_iterators by dereferencing
is not a good idea. The codebase does not depend
in this any more, and it may introduce hidden
runtime cost. If you get compile errors, please
dereference your iterator before passing to cast<>
(and friends).
Also: please consider caching the result of
operator* and reusing that instead of dereferencing
many times.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109425
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Owen Anderson [Mon, 26 Jul 2010 18:48:03 +0000 (18:48 +0000)]
Add an initial implementation of LazyValueInfo updating for JumpThreading. Disabled for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109424
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Anton Korobeynikov [Mon, 26 Jul 2010 18:45:39 +0000 (18:45 +0000)]
Currently EH lowering code expects typeinfo to be global only.
This assumption is not satisfied due to global mergeing.
Workaround the issue by temporary disablinge mergeing of const globals.
Also, ignore LLVM "special" globals. This fixes PR7716
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109423
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Owen Anderson [Mon, 26 Jul 2010 18:44:56 +0000 (18:44 +0000)]
Fix a test with malformed IR. Not sure why this didn't fail before.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109422
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Evan Cheng [Mon, 26 Jul 2010 18:32:55 +0000 (18:32 +0000)]
ARM fastisel isn't ready.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109421
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Owen Anderson [Mon, 26 Jul 2010 18:31:17 +0000 (18:31 +0000)]
One more test commit...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109420
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Dan Gohman [Mon, 26 Jul 2010 18:28:14 +0000 (18:28 +0000)]
Fix SCEVExpander::visitAddRecExpr so that it remembers the induction variable
it inserted rather than using LoopInfo::getCanonicalInductionVariable to
rediscover it, since that doesn't work on non-canonical loops. This fixes
infinite recurrsion on such loops; PR7562.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109419
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Dan Gohman [Mon, 26 Jul 2010 18:15:41 +0000 (18:15 +0000)]
Handle Values with no value in getCopyFromRegs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109415
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Owen Anderson [Mon, 26 Jul 2010 18:13:21 +0000 (18:13 +0000)]
Hopefully the last test commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109414
91177308-0d34-0410-b5e6-
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Dan Gohman [Mon, 26 Jul 2010 18:11:16 +0000 (18:11 +0000)]
Remove LCSSA's bogus dependence on LoopSimplify and LoopSimplify's bogus
dependence on DominanceFrontier. Instead, add an explicit DominanceFrontier
pass in StandardPasses.h to ensure that it gets scheduled at the right
time.
Declare that loop unrolling preserves ScalarEvolution, and shuffle some
getAnalysisUsages.
This eliminates one LoopSimplify and one LCCSA run in the standard
compile opts sequence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109413
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Dan Gohman [Mon, 26 Jul 2010 18:02:06 +0000 (18:02 +0000)]
Preserve ScalarEvolution in the loop unroller.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109412
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Owen Anderson [Mon, 26 Jul 2010 18:00:59 +0000 (18:00 +0000)]
Another test commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109411
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Dan Gohman [Mon, 26 Jul 2010 18:00:43 +0000 (18:00 +0000)]
Avoid depending on LCSSA implicitly pulling in LoopSimplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109410
91177308-0d34-0410-b5e6-
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Owen Anderson [Mon, 26 Jul 2010 17:56:42 +0000 (17:56 +0000)]
Test commit for new post-commit hooks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109409
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Dan Gohman [Mon, 26 Jul 2010 17:55:15 +0000 (17:55 +0000)]
Fix (at least) quadratic worst-case complexity in DominanceFrontier::splitBlock:
don't visit all blocks in the function, and don't iterate over the split blocks'
predecessor lists for each block visited.
Also, remove the special-case test for the entry block. Splitting the entry
block isn't common enough to make this worthwhile.
This fixes a major compile-time bottleneck which is exposed now that
LoopSimplify isn't being redundantly run both before and after
DominanceFrontier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109408
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Eric Christopher [Mon, 26 Jul 2010 17:53:07 +0000 (17:53 +0000)]
80-col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109407
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Dan Gohman [Mon, 26 Jul 2010 17:45:33 +0000 (17:45 +0000)]
Avoid copying and recopying a std::set.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109405
91177308-0d34-0410-b5e6-
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Dan Gohman [Mon, 26 Jul 2010 17:41:45 +0000 (17:41 +0000)]
Exit a search loop when the search goal is found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109404
91177308-0d34-0410-b5e6-
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Dan Gohman [Mon, 26 Jul 2010 17:39:33 +0000 (17:39 +0000)]
Fix formatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109403
91177308-0d34-0410-b5e6-
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Dan Gohman [Mon, 26 Jul 2010 17:38:15 +0000 (17:38 +0000)]
A block dominates itself, by definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109402
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Dan Gohman [Mon, 26 Jul 2010 17:37:36 +0000 (17:37 +0000)]
Use DominatorTree::properlyDominates instead of dominates with an
explicit inequality check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109401
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Dan Gohman [Mon, 26 Jul 2010 17:35:32 +0000 (17:35 +0000)]
A block dominates itself, by definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109400
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Dan Gohman [Mon, 26 Jul 2010 17:34:05 +0000 (17:34 +0000)]
Use DominatorTree::properlyDominates instead of dominates with an
explicit inequality check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109398
91177308-0d34-0410-b5e6-
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Dan Gohman [Mon, 26 Jul 2010 16:01:15 +0000 (16:01 +0000)]
Add an svn:ignore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109394
91177308-0d34-0410-b5e6-
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Duncan Sands [Mon, 26 Jul 2010 07:54:17 +0000 (07:54 +0000)]
Pacify gcc-4.5 which wrongly thinks that RExcess (passed as the Excess parameter)
may be used uninitialized in the callers of HighRegPressure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109393
91177308-0d34-0410-b5e6-
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Douglas Gregor [Mon, 26 Jul 2010 03:55:44 +0000 (03:55 +0000)]
Fix format-specifier warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109391
91177308-0d34-0410-b5e6-
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Michael J. Spencer [Mon, 26 Jul 2010 03:01:28 +0000 (03:01 +0000)]
MC: Fix whitespace error from last commit.
A Visual C++ extension that removes trailing new lines? Seriously?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109390
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Michael J. Spencer [Mon, 26 Jul 2010 02:17:32 +0000 (02:17 +0000)]
MC: Add WinCOFFObjectWriter implementation.
Origonal Windows COFF implementation by Nathan Jedffords.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109389
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Lang Hames [Mon, 26 Jul 2010 01:49:41 +0000 (01:49 +0000)]
Factored out a bit of common code to mark VNInfos for deletion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109388
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Rafael Espindola [Mon, 26 Jul 2010 00:07:51 +0000 (00:07 +0000)]
Clone and restore the module being reduced in
ReduceMiscompilingFunctions::TestFuncs. This makes the test functional
(i.e., no side effects).
Before we would end up using dead functions if a pass decided to remove them
(inline for example) and we would also keep broken functions and conclude that
that a single function was enough to reproduce the bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109387
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Benjamin Kramer [Sun, 25 Jul 2010 23:18:32 +0000 (23:18 +0000)]
Reduce string trashing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109386
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Nick Lewycky [Sun, 25 Jul 2010 22:33:04 +0000 (22:33 +0000)]
Don't pass -export-dynamic to the linker on Cygwin and MinGW. These platforms
accept the flag and do nothing but warn about it, cleverly bypassing our
configure-based detection system. Patch by Takumi Nakamura!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109385
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Evan Cheng [Sun, 25 Jul 2010 18:59:43 +0000 (18:59 +0000)]
Add comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109383
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Douglas Gregor [Sun, 25 Jul 2010 17:34:42 +0000 (17:34 +0000)]
Remove extraneous semicolon
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109373
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Douglas Gregor [Sun, 25 Jul 2010 17:10:14 +0000 (17:10 +0000)]
Unbreak CMake build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109372
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Bob Wilson [Sun, 25 Jul 2010 05:34:27 +0000 (05:34 +0000)]
Fix crashes when scheduling a CopyToReg node -- getMachineOpcode asserts on
those. Radar
8231572.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109367
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Eli Friedman [Sat, 24 Jul 2010 23:06:59 +0000 (23:06 +0000)]
Revert r109361; it's impossible to write a call with an argument with an
invalid type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109365
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Rafael Espindola [Sat, 24 Jul 2010 23:05:45 +0000 (23:05 +0000)]
Revert unintended white space change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109364
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Rafael Espindola [Sat, 24 Jul 2010 23:02:11 +0000 (23:02 +0000)]
Fix a trivial use after free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109363
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Eli Friedman [Sat, 24 Jul 2010 23:00:59 +0000 (23:00 +0000)]
Minor simplification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109362
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Eli Friedman [Sat, 24 Jul 2010 23:00:26 +0000 (23:00 +0000)]
Make the ll parser check that arguments have valid types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109361
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Eli Friedman [Sat, 24 Jul 2010 22:58:04 +0000 (22:58 +0000)]
PR7704: A function is not allowed to return a function; make sure to enforce
this consistently.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109360
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Anton Korobeynikov [Sat, 24 Jul 2010 21:52:08 +0000 (21:52 +0000)]
Hook in GlobalMerge pass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109359
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Nick Lewycky [Sat, 24 Jul 2010 20:54:02 +0000 (20:54 +0000)]
Revert this because we can't clone cyclic MDNodes which are creating during a
build of llvm-gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109355
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Anton Korobeynikov [Sat, 24 Jul 2010 20:48:54 +0000 (20:48 +0000)]
Add hook to insert late LLVM=>LLVM passes just before isel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109354
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Nick Lewycky [Sat, 24 Jul 2010 19:43:25 +0000 (19:43 +0000)]
Whether function-local or not, a MDNode may reference a Function in which case
it needs to be mapped to refer to the function in the new module, not the old
one. Fixes PR7700.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109353
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Chris Lattner [Sat, 24 Jul 2010 18:47:46 +0000 (18:47 +0000)]
add a new NullablePtr class which makes it more obvious in API
that a pointer can be null, forcing clients to think about it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109348
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Peter Collingbourne [Sat, 24 Jul 2010 17:54:00 +0000 (17:54 +0000)]
Document BUILD_EXAMPLES makefile variable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109346
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Duncan Sands [Sat, 24 Jul 2010 12:09:22 +0000 (12:09 +0000)]
Clarify that if a new value handle is added while dropping value handles
hanging off a value, then the dropping code will intentionally not drop
it too (since this is almost certainly a bug).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109337
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Bob Wilson [Sat, 24 Jul 2010 06:01:53 +0000 (06:01 +0000)]
Change ScheduleDAGInstrs::Defs and ::Uses to be variable-size vectors
instead of fixed size arrays, so that increasing FirstVirtualRegister to 16K
won't cause a compile time performance regression.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109330
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Devang Patel [Sat, 24 Jul 2010 00:53:22 +0000 (00:53 +0000)]
Use current working directory when Dirname is empty. This only happens when absolute source file path is used on compiler command line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109302
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Evan Cheng [Sat, 24 Jul 2010 00:39:05 +0000 (00:39 +0000)]
Add an ILP scheduler. This is a register pressure aware scheduler that's
appropriate for targets without detailed instruction iterineries.
The scheduler schedules for increased instruction level parallelism in
low register pressure situation; it schedules to reduce register pressure
when the register pressure becomes high.
On x86_64, this is a win for all tests in CFP2000. It also sped up 256.bzip2
by 16%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109300
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Bruno Cardoso Lopes [Sat, 24 Jul 2010 00:06:39 +0000 (00:06 +0000)]
Support x86 "eiz" and "riz" pseudo index registers in the assembler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109295
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Jim Grosbach [Fri, 23 Jul 2010 23:50:35 +0000 (23:50 +0000)]
Use the appropriate register class for an i32 when adding ARM::LR to the
function live in set. This will give us tGPR for Thumb1 and GPR otherwise,
so the copy will be spillable. rdar://
8224931
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109293
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Jim Grosbach [Fri, 23 Jul 2010 23:48:02 +0000 (23:48 +0000)]
Remove too-strict assertion. We may want the vreg copy of the physical register
to be of a different register class. For example, in Thumb1 if the live-in is
a high register, we want the vreg to be a low register. rdar://
8224931
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109291
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Matt Fleming [Fri, 23 Jul 2010 23:40:41 +0000 (23:40 +0000)]
Consolidate the ELF section directive tests into a single file as
suggested by Chris Lattner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109290
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Owen Anderson [Fri, 23 Jul 2010 23:27:43 +0000 (23:27 +0000)]
Fix use-after-free error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109288
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Devang Patel [Fri, 23 Jul 2010 23:04:41 +0000 (23:04 +0000)]
Revert r109262.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109285
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Dale Johannesen [Fri, 23 Jul 2010 22:50:23 +0000 (22:50 +0000)]
Revert 109076. It is wrong and was causing regressions. Add some
comments explaining why it was wrong.
8225024.
Fix the real problem in
8213383: the code that splits very large
blocks when no other place to put constants can be found was not
considering the case that the block contained a Thumb tablejump.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109282
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Evan Cheng [Fri, 23 Jul 2010 22:39:59 +0000 (22:39 +0000)]
- Allow target to specify when is register pressure "too high". In most cases,
it's too late to start backing off aggressive latency scheduling when most
of the registers are in use so the threshold should be a bit tighter.
- Correctly handle live out's and extract_subreg etc.
- Enable register pressure aware scheduling by default for hybrid scheduler.
For ARM, this is almost always a win on # of instructions. It's runtime
neutral for most of the tests. But for some kernels with high register
pressure it can be a huge win. e.g. 464.h264ref reduced number of spills by
54 and sped up by 20%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109279
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